oj.uz

Submission #862816

# Submission time Handle Problem Language Result Execution time Memory
862816 2023-10-19T04:56:06 Z Berryisbetter Cyberland (APIO23_cyberland) C++17
44 / 100
 1692 ms 376768 KB 
#include "cyberland.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long double;
using vll = vector<ll>;
using vvll = vector<vll>;
const ll INF = 1e16;

vll v; vector<vector<pair<ll, ll>>>g;
ll h,n;
void dfs(ll x) {
	if (v[x]++) return;
	if ((int)x%(int)n==h) return;
	for (auto i : g[x]) {
		dfs(i.first);
	}
}
double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr) {
	ll m = M, k = min(K, 60) + 1; h = H, n = N;
	v = vll(n * k); g = vector<vector<pair<ll, ll>>>(n * k);
	for (ll j = 0; j < k; j++) {
		for (ll i = 0; i < m; i++) {
			g[x[i] + j * n].push_back({ y[i] + j * n, c[i] * 1.0 / (1ll << (long long)j) });
			g[y[i] + j * n].push_back({ x[i] + j * n, c[i] * 1.0 / (1ll << (long long)j) });
			if (j && arr[x[i]] == 2) {
				g[x[i] + j * n].push_back({ y[i] + (j - 1) * n, c[i] * 1.0 / (1ll << (long long)j) });
			}
			if (j && arr[y[i]] == 2) {
				g[y[i] + j * n].push_back({ x[i] + (j - 1) * n, c[i] * 1.0 / (1ll << (long long)j) });
			}
		}
	}
	for (ll i = 0; i < k; i++) {
		dfs(i * n);
	}
	vll save = v;
	v = vll(n * k, INF);
	priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> q;
	for (ll i = 0; i < k; i++) {
		q.push({ 0,i*n }); v[i*n] = 0;

	}
	for (ll j = 0; j < k; j++) {
		for (ll i = 0; i < n; i++) {
			if (arr[i] == 0&&save[i+j*n]) {
				q.push({ 0, i + j * n });
				v[i + j * n] = 0;
			}
		}
	}
	save = vll(n*k);
	while (q.size()) {
		ll ce= q.top().second; q.pop();
		if (((int)ce%(int)n)==h) {
			continue;
		}
		if (!save[ce]++) {
			for (auto i : g[ce]) {
				if (v[i.first] > v[ce] + i.second) {
					v[i.first] = v[ce] + i.second;
					q.push({ v[i.first],i.first });
				}
			}
		}
	}
	if (v[h] >= INF) {
		return -1;
	}
	return v[h];
}

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 252 ms 480 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 770 ms 5592 KB Correct.
2 Correct 933 ms 5976 KB Correct.
3 Correct 863 ms 5580 KB Correct.
4 Correct 904 ms 5984 KB Correct.
5 Correct 898 ms 6056 KB Correct.
6 Correct 932 ms 53100 KB Correct.
7 Correct 1217 ms 47644 KB Correct.
8 Correct 512 ms 96340 KB Correct.
9 Correct 777 ms 1184 KB Correct.
10 Correct 768 ms 1088 KB Correct.

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1228 ms 6564 KB Correct.
2 Correct 1176 ms 6564 KB Correct.
3 Correct 1105 ms 6348 KB Correct.
4 Correct 1047 ms 1152 KB Correct.
5 Correct 1075 ms 1260 KB Correct.
6 Correct 267 ms 43792 KB Correct.

Subtask #4
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 750 ms 322080 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #5
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 511 ms 5976 KB Correct.
2 Correct 574 ms 6560 KB Correct.
3 Correct 562 ms 5792 KB Correct.
4 Correct 703 ms 46136 KB Correct.
5 Correct 453 ms 1052 KB Correct.

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 857 ms 6392 KB Correct.
2 Correct 676 ms 5756 KB Correct.
3 Correct 1010 ms 376768 KB Correct.
4 Correct 596 ms 43856 KB Correct.
5 Correct 727 ms 1132 KB Correct.
6 Correct 740 ms 5908 KB Correct.

Subtask #7
0.0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 829 ms 6608 KB Wrong Answer.
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 1692 ms 12608 KB Wrong Answer.
2 Halted 0 ms 0 KB -